Get the quoting right when setting $SATURNIN_CONF_PATH

(Shame I did not see that earlier...)

src/bin/app.skel

@@ -25,10 +25,10 @@ shellfu import saturnin
 
 SATURNIN_CONF_PATH="$(
     saturnin__conf_mkpath \
-        __SATURNIN_CONFIG_HOME__/ini.d \
-        __SATURNIN_CONFIG_HOME__ \
-        __SATURNIN_CONFIG_LOCAL__ \
-        __SATURNIN_SHARE__/ini.d
+        "__SATURNIN_CONFIG_HOME__/ini.d" \
+        "__SATURNIN_CONFIG_HOME__" \
+        "__SATURNIN_CONFIG_LOCAL__" \
+        "__SATURNIN_SHARE__/ini.d"
 )"
 
 #